81572120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{17137}}^1$

素因数の和:17172

約数の個数: 64

約数和(自身を含む): 222108480

約数和(自身を除く): 140536360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 4760, 17137, 34274, 68548, 85685, 119959, 137096, 171370, 239918, 291329, 342740, 479836, 582658, 599795, 685480, 959672, 1165316, 1199590, 1456645, 2039303, 2330632, 2399180, 2913290, 4078606, 4798360, 5826580, 8157212, 10196515, 11653160, 16314424, 20393030, 40786060, 81572120]

約数ペア:

[(1, 81572120), (2, 40786060), (4, 20393030), (5, 16314424), (7, 11653160), (8, 10196515), (10, 8157212), (14, 5826580), (17, 4798360), (20, 4078606), (28, 2913290), (34, 2399180), (35, 2330632), (40, 2039303), (56, 1456645), (68, 1199590), (70, 1165316), (85, 959672), (119, 685480), (136, 599795), (140, 582658), (170, 479836), (238, 342740), (280, 291329), (340, 239918), (476, 171370), (595, 137096), (680, 119959), (952, 85685), (1190, 68548), (2380, 34274), (4760, 17137)]